You never know what you'll find in the trash.
Near an ancient round altar on Mt. Ebal, originally identified by Adam Zertal as Joshua's altar, a folded lead tablet lay insignificant and undetected by the passersby. Approximately two centimeters long and wide, it was scooped up by Zertal's team and tossed on a dump pile. It sat there until another archaeologist showed up with a new technique.